Merge pull request #6 from foosinn/multistage-docker

Remove build packages from docker image by using multistage Dockerfile.

docker/biboumi/alpine/Dockerfile

@@ -5,44 +5,52 @@
 # This is the prefered way to build the release image, used by the
 # end users, in production.
 
-FROM docker.io/alpine:latest
+FROM docker.io/alpine:latest as builder
 
-RUN apk add --no-cache\
-    g++\
-    cmake\
-    make\
-    udns-dev\
-    sqlite-dev\
-    postgresql-dev\
-    libuuid\
-    util-linux-dev\
-    expat-dev\
-    libidn-dev\
-    git\
-    python2
+RUN apk add --no-cache --virtual .build cmake expat-dev g++ git libidn-dev \
+        make postgresql-dev python2 sqlite-dev udns-dev util-linux-dev
 
-# Install botan
-RUN git clone https://github.com/randombit/botan.git && cd botan && ./configure.py --prefix=/usr && make -j8 && make install && rm -rf /botan
+RUN git clone https://github.com/randombit/botan.git && \
+    cd botan && \
+    ./configure.py --prefix=/usr && \
+    make -j8 && \
+    make install
 
-# Install biboumi
-RUN git clone git://git.louiz.org/biboumi && mkdir ./biboumi/build && cd ./biboumi/build &&\
+RUN git clone git://git.louiz.org/biboumi && \
+    mkdir ./biboumi/build && \
+    cd ./biboumi/build && \
     cmake .. -DCMAKE_INSTALL_PREFIX=/usr \
              -DCMAKE_BUILD_TYPE=Release \
              -DWITH_BOTAN=1 \
              -DWITH_SQLITE3=1 \
              -DWITH_LIBIDN=1 \
-            -DWITH_POSTGRESQL=1\
-   && make -j8 && make install && rm -rf /biboumi
+             -DWITH_POSTGRESQL=1 && \
+    make -j8 && \
+    make install
 
-RUN adduser biboumi -D -h /home/biboumi
+# ---
 
-RUN mkdir /var/lib/biboumi
-RUN chown -R biboumi:biboumi /var/lib/biboumi
+FROM docker.io/alpine:latest
+
+RUN apk add --no-cache libidn libpq libstdc++ libuuid postgresql-libs \
+        sqlite-libs udns expat ca-certificates
+
+COPY --from=builder /usr/bin/botan /usr/bin/botan
+COPY --from=builder /usr/lib/libbotan* /usr/lib/
+COPY --from=builder /usr/lib/pkgconfig/botan-2.pc /usr/lib/pkgconfig/botan-2.pc
+
+COPY --from=builder /etc/biboumi /etc/biboumi
+COPY --from=builder /usr/bin/biboumi /usr/bin/biboumi
 
 COPY ./biboumi.cfg /etc/biboumi/biboumi.cfg
-RUN chown -R biboumi:biboumi /etc/biboumi
+
+RUN adduser biboumi -D -h /home/biboumi && \
+    mkdir /var/lib/biboumi && \
+    chown -R biboumi:biboumi /var/lib/biboumi && \
+    chown -R biboumi:biboumi /etc/biboumi
 
 WORKDIR /home/biboumi
 USER biboumi
 
 CMD ["/usr/bin/biboumi", "/etc/biboumi/biboumi.cfg"]
+